CVE-2020-4028 : Versions before 8.9.1, Various resources in Jira responded with a 404 instead of

Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in some situations this may have allowed unauthorised attackers to determine if certain resources exist or not through an Information Disclosure vulnerability.

Published 2020-06-23 13:15:18

Updated 2020-07-08 14:26:26

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2020-4028

Atlassian » Jira
Versions before (<) 8.9.1
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Software Data Center
Versions before (<) 8.9.1
cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2020-4028

Top countries where our scanners detected CVE-2020-4028

Top open port discovered on systems with this issue 80

IPs affected by CVE-2020-4028 3,722

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-4028!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-4028

EPSS FAQ

0.13%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 46 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-4028

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2020-4028

CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-4028

https://jira.atlassian.com/browse/JRASERVER-71175

[JRASERVER-71175] Information disclosure in Login - CVE-2020-4028 - Create and track feature requests for Atlassian products.
Issue Tracking;Vendor Advisory